package com.mojianxi.ad.advice;

import com.mojianxi.ad.annotation.IgnoreResponseAdvice;
import com.mojianxi.ad.vo.CommonResponse;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

/**
 * @Description TODO
 * @Author:liuxiaodong
 * @Date 2019/11/5 13:59
 * @Company dyld
 */
public class CommonResponseDataAdvice implements ResponseBodyAdvice<Object> {
    @Override
    public boolean supports(MethodParameter methodParameter, Class<? extends HttpMessageConverter<?>> aClass) {
        if(methodParameter.getDeclaringClass().isAnnotationPresent(IgnoreResponseAdvice.class)){
            return false;
        }
        if(methodParameter.getMethod().isAnnotationPresent(IgnoreResponseAdvice.class)){
            return false;
        }
        return true;
    }

    @Override
    public Object beforeBodyWrite(Object o, MethodParameter methodParameter, MediaType mediaType,
                                  Class<? extends HttpMessageConverter<?>> aClass, ServerHttpRequest serverHttpRequest,
                                  ServerHttpResponse serverHttpResponse) {
        CommonResponse<Object> response=new CommonResponse<>(0,"");
        if(null==o){
            return response;
        }else if(o instanceof CommonResponse){
            response= (CommonResponse<Object>) o;
        }else {
            response.setData(o);
        }
        return response;
    }
}
